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P. Lochhead · SciRah

Researcher profile · Semantic Scholar

P. Lochhead

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P. Lochhead — researcher profile on SciRah

h-index: 45
Works: 145
Citations: 12K

Most-cited papers

Stability of the human faecal microbiome in a cohort of adult men
R. Mehta, G. Abu-Ali, David A. Drew, J. Lloyd-Price +14 more
2018Nature Microbiology258 citations Open access
Semantic Scholar
Statistical Methods for Studying Disease Subtype Heterogeneity
Mo-Lin Wang, D. Spiegelman, A. Kuchiba, P. Lochhead +8 more
2015Statistics in Medicine250 citations Open access
Semantic Scholar
The role of diet in the etiopathogenesis of inflammatory bowel disease
H. Khalili, S. Chan, P. Lochhead, A. Ananthakrishnan +2 more
2018Nature reviews: Gastroenterology & hepatology249 citations Open access
Semantic Scholar
Molecular Pathological Epidemiology of Epigenetics: Emerging Integrative Science to Analyze Environment, Host, and Disease
S. Ogino, P. Lochhead, A. Chan, R. Nishihara +7 more
2013Modern Pathology215 citations Open access
Semantic Scholar
Etiologic Field Effect: Reappraisal of the Field Effect Concept in Cancer Predisposition and Progression
P. Lochhead, A. Chan, R. Nishihara, C. Fuchs +3 more
2014Modern Pathology211 citations Open access
Semantic Scholar
Systematic review with meta‐analysis: breastfeeding and the risk of Crohn's disease and ulcerative colitis
L. Xu, P. Lochhead, Y. Ko, B. Claggett +2 more
2017Alimentary Pharmacology and Therapeutics209 citations Open access
Semantic Scholar
Adherence to a Mediterranean diet is associated with a lower risk of later-onset Crohn’s disease: results from two large prospective cohort studies
H. Khalili, N. Håkansson, S. Chan, Ye Chen +6 more
2020Gut187 citations Open access
Semantic Scholar
Long-term use of antibiotics and risk of colorectal adenoma
Yin Cao, Ka-Na Wu, R. Mehta, David A. Drew +10 more
2017Gut187 citations Open access
Semantic Scholar
The Role of Molecular Pathological Epidemiology in the Study of Neoplastic and Non-Neoplastic Diseases in the Era of Precision Medicine
S. Ogino, R. Nishihara, T. VanderWeele, Mo-Lin Wang +13 more
2016Epidemiology166 citations Open access
Semantic Scholar
Analyses of clinicopathological, molecular, and prognostic associations of KRAS codon 61 and codon 146 mutations in colorectal cancer: cohort study and literature review
Yu Imamura, P. Lochhead, Mai Yamauchi, A. Kuchiba +14 more
2014Molecular Cancer159 citations Open access
Semantic Scholar
Ultra-processed foods and risk of Crohn’s disease and ulcerative colitis: a prospective cohort study
Chun-Han Lo, N. Khandpur, S. Rossato, P. Lochhead +10 more
2021Clinical Gastroenterology and Hepatology138 citations Open access
Semantic Scholar
Dietary Inflammatory Potential and Risk of Crohn’s Disease and Ulcerative Colitis
Chun-Han Lo, P. Lochhead, H. Khalili, M. Song +6 more
2020Gastroenterology126 citations Open access
Semantic Scholar
Lifestyle, behaviour, and environmental modification for the management of patients with inflammatory bowel diseases: an International Organization for Study of Inflammatory Bowel Diseases consensus.
A. Ananthakrishnan, G. Kaplan, C. Bernstein, Kristin E. Burke +12 more
2022The Lancet Gastroenterology and Hepatology118 citations Open access
Semantic Scholar
Systematic review with meta‐analysis: association between acetaminophen and nonsteroidal anti‐inflammatory drugs (NSAIDs) and risk of Crohn's disease and ulcerative colitis exacerbation
O. Moninuola, William W. Milligan, P. Lochhead, Hamed Khalili
2018Alimentary Pharmacology and Therapeutics95 citations Open access
Semantic Scholar
Lifestyle Factors for the Prevention of Inflammatory Bowel Disease
E. Lopes, S. Chan, M. Song, J. Ludvigsson +13 more
2022Gut79 citations Open access
Semantic Scholar
Association Between Inflammatory Diet Pattern and Risk of Colorectal Carcinoma Subtypes Classified by Immune Responses to Tumor
Li Liu, R. Nishihara, Z. Qian, F. Tabung +25 more
2017Gastroenterology77 citations Open access
Semantic Scholar
Healthy Lifestyle is Associated with Reduced Mortality in Patients with Inflammatory Bowel Diseases
Chun-Han Lo, H. Khalili, M. Song, P. Lochhead +5 more
2020Clinical Gastroenterology and Hepatology73 citations Open access
Semantic Scholar
Regular Aspirin Use Associates with Lower Risk of Colorectal Cancers With Low Numbers of Tumor-infiltrating Lymphocytes
Yin Cao, R. Nishihara, Z. Qian, M. Song +15 more
2016Gastroenterology73 citations Open access
Semantic Scholar
Tumor LINE-1 methylation level and microsatellite instability in relation to colorectal cancer prognosis.
K. Inamura, Mai Yamauchi, R. Nishihara, P. Lochhead +14 more
2014Journal of the National Cancer Institute73 citations Open access
Semantic Scholar
Association Between Circulating Levels of C-reactive Protein and Interleukin-6 and Risk of Inflammatory Bowel Disease
P. Lochhead, H. Khalili, A. Ananthakrishnan, J. Richter +1 more
2016Clinical Gastroenterology and Hepatology72 citations Open access
Semantic Scholar
Obesity is associated with increased risk of Crohn's disease, but not ulcerative colitis: A pooled analysis of five prospective cohort studies.
S. Chan, Ye Chen, K. Casey, O. Olén +10 more
2021Clinical Gastroenterology and Hepatology65 citations Open access
Semantic Scholar
Immunosuppressive Therapy and Risk of COVID-19 Infection in Patients With Inflammatory Bowel Diseases
Kristin E. Burke, Bharati Kochar, J. Allegretti, Rachel W. Winter +6 more
2020Inflammatory Bowel Diseases60 citations Open access
Semantic Scholar
Association Between Proton Pump Inhibitor Use and Cognitive Function in Women
P. Lochhead, K. Hagan, Amit D. Joshi, Hamed Khalili +3 more
2017Gastroenterology59 citations Open access
Semantic Scholar
Inflammatory bowel disease and risk of severe COVID‐19: A nationwide population‐based cohort study in Sweden
J. Ludvigsson, J. Axelrad, J. Halfvarson, H. Khalili +6 more
2021United European Gastroenterology journal48 citations Open access
Semantic Scholar
Integrative Genome-Scale DNA Methylation Analysis of a Large and Unselected Cohort Reveals 5 Distinct Subtypes of Colorectal Adenocarcinomas
L. Fennell, T. Dumenil, L. Wockner, G. Hartel +21 more
2019Cellular and Molecular Gastroenterology and Hepatology48 citations Open access
Semantic Scholar
Prediagnosis Plasma Adiponectin in Relation to Colorectal Cancer Risk According to KRAS Mutation Status.
K. Inamura, M. Song, Seungyoun Jung, R. Nishihara +18 more
2016Journal of the National Cancer Institute44 citations Open access
Semantic Scholar
Dietary Iron and Heme Iron Consumption, Genetic Susceptibility, and Risk of Crohn’s Disease and Ulcerative Colitis
H. Khalili, P. de Silva, A. Ananthakrishnan, P. Lochhead +5 more
2017Inflammatory Bowel Diseases42 citations Open access
Semantic Scholar
Molecular Pathological Epidemiology Gives Clues to Paradoxical Findings
R. Nishihara, T. VanderWeele, K. Shibuya, M. Mittleman +5 more
2015European Journal of Epidemiology42 citations Open access
Semantic Scholar
Identification of Menopausal and Reproductive Risk Factors for Microscopic Colitis – Results From the Nurses’ Health Study
Kristin E. Burke, A. Ananthakrishnan, P. Lochhead, Stuart Po-Hong Liu +6 more
2018Gastroenterology39 citations Open access
Semantic Scholar
No Significant Association Between Proton Pump Inhibitor Use and Risk of Stroke After Adjustment for Lifestyle Factors and Indication
L. Nguyen, P. Lochhead, A. Joshi, Yin Cao +5 more
2017Gastroenterology38 citations Open access
Semantic Scholar
Smoking is Associated with an Increased Risk of Microscopic Colitis: Results From Two Large Prospective Cohort Studies of US Women
Kristin E. Burke, A. Ananthakrishnan, P. Lochhead, O. Olén +4 more
2018Journal of Crohn's & Colitis36 citations Open access
Semantic Scholar
Statin use and risk of colorectal cancer in patients with inflammatory bowel disease
Jiang-Wei Sun, J. Halfvarson, D. Bergman, Fahim Ebrahimi +5 more
2023EClinicalMedicine30 citations Open access
Semantic Scholar
Association Between Statin Use and Inflammatory Bowel Diseases: Results from a Swedish, Nationwide, Population-based Case-control Study
P. Lochhead, H. Khalili, M. Sachs, A. Chan +2 more
2020Journal of Crohn's & Colitis29 citations Open access
Semantic Scholar
Genetic polymorphisms in fatty acid metabolism modify the association between dietary n3:n6 intake and risk of ulcerative colitis: A prospective cohort study
A. Ananthakrishnan, H. Khalili, M. Song, L. Higuchi +3 more
2017Inflammatory Bowel Diseases29 citations Open access
Semantic Scholar
SMO Expression in Colorectal Cancer: Associations with Clinical, Pathological and Molecular Features
Ting-Ting Li, X. Liao, P. Lochhead, T. Morikawa +15 more
2014Annals of Surgical Oncology29 citations Open access
Semantic Scholar
Statins are associated with a decreased risk of severe liver disease in individuals with non-cirrhotic chronic liver disease.
Rajani Sharma, Tracey G. Simon, Hannes Hagström, P. Lochhead +5 more
2023Clinical Gastroenterology and Hepatology25 citations
Semantic Scholar
Plasma concentrations of perfluoroalkyl substances and risk of inflammatory bowel diseases in women: a nested case control analysis in the Nurses’ Health Study cohorts
P. Lochhead, H. Khalili, A. Ananthakrishnan, Kristin E. Burke +4 more
2021Environmental Research24 citations Open access
Semantic Scholar
Visceral Adiposity, Genetic Susceptibility and Risk of Complications Among Individuals with Crohn’s Disease
K. V. D. van der Sloot, A. Joshi, D. Bellavance, K. Gilpin +9 more
2017Inflammatory Bowel Diseases24 citations Open access
Semantic Scholar
Vedolizumab as a Novel Treatment for Refractory Collagenous Colitis: A Case Report
Kelly C. Cushing, M. Mino-Kenudson, J. Garber, P. Lochhead +1 more
2018American Journal of Gastroenterology23 citations
Semantic Scholar
IRGM gene variants modify the relationship between visceral adipose tissue and NAFLD in patients with Crohn’s Disease
Tracey G. Simon, K. V. D. van der Sloot, Samantha Chin, A. Joshi +5 more
2018Inflammatory Bowel Diseases23 citations Open access
Semantic Scholar
Association of midlife antibiotic use with subsequent cognitive function in women
R. Mehta, P. Lochhead, Yi-Qing Wang, Wenjie Ma +5 more
2022PLoS ONE22 citations Open access
Semantic Scholar
Acid-suppressive medications and risk of colorectal cancer: results from three large prospective cohort studies
A. Babic, Xuehong Zhang, V. Morales-Oyarvide, C. Yuan +11 more
2020British Journal of Cancer22 citations Open access
Semantic Scholar
Obesity and Weight Gain Since Early Adulthood are Associated With a Lower Risk of Microscopic Colitis
Po-Hong Liu, Kristin E. Burke, A. Ananthakrishnan, P. Lochhead +5 more
2018Clinical Gastroenterology and Hepatology22 citations Open access
Semantic Scholar
Immune-mediated disease and Risk of Crohn’s Disease or Ulcerative Colitis: A Prospective Cohort Study
Chun-Han Lo, H. Khalili, P. Lochhead, M. Song +5 more
2020Alimentary Pharmacology and Therapeutics20 citations Open access
Semantic Scholar
Postdiagnostic intake of one-carbon nutrients and alcohol in relation to colorectal cancer survival.
P. Lochhead, R. Nishihara, Z. Qian, K. Mima +11 more
2015American Journal of Clinical Nutrition20 citations Open access
Semantic Scholar
A Prospective Study of Smoking and Risk of Synchronous Colorectal Cancers
David A. Drew, R. Nishihara, P. Lochhead, A. Kuchiba +9 more
2017American Journal of Gastroenterology19 citations Open access
Semantic Scholar
Increasing incidence of eosinophilic esophagitis in Sweden: a nationwide population study
J. Garber, P. Lochhead, Amiko M. Uchida, B. Roelstraete +3 more
2022Esophagus18 citations
Semantic Scholar
Alcohol consumption and risk of inflammatory bowel disease among three prospective US cohorts
Kevin Casey, E. Lopes, Blake A. Niccum, Kristin E. Burke +5 more
2021Alimentary Pharmacology and Therapeutics18 citations
Semantic Scholar
Dietary Gluten Intake and Risk of Microscopic Colitis Among US Women without Celiac Disease: A Prospective Cohort Study
Po-Hong Liu, B. Lebwohl, Kristin E. Burke, K. Ivey +7 more
2019American Journal of Gastroenterology17 citations Open access
Semantic Scholar
Clinical Predictors and Natural History of Disease Extension in Patients with Ulcerative Proctitis
E. Walsh, Young Wha Chah, Samantha M. Chin, P. Lochhead +4 more
2017Inflammatory Bowel Diseases17 citations Open access
Semantic Scholar

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A. Ananthakrishnan×19
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O. Olén — researcher profile on SciRah